—You forgot______ off the lights? It’s still on.
—But I remember _______them off before I went out of the room.
| A．turning; to turn | B．to turn; turning |
| C．turning ; turning | D．to turn; to turn |
It’s cold outside. ______ your sweater before you go out.
| A．Put on | B．Turn on |
| C．Put up | D．Give up |
The teacher did what he could _____ his students.
| A．help | B．helping |
| C．helps | D．to help |
He works _____ in English, but he can ____ make progress.
| A．hardly, hardly | B．hardly, hard |
| C．hard, hard | D．hard, hardly |
Teachers often tell their students _______ across the road when the traffic light is red.
| A．not go | B．not to go |
| C．don’t go | D．didn’t go |
–Lots of trees and flowers ________ on both sides of the road last year.
--Oh, _______ beautiful they are!
| A．have been planted; how | B．were planted; what |
| C．were planted; how | D．have been planted; what |